Make puppers sends more often.

src/joann-pupper-bot.cr

@@ -23,7 +23,7 @@ class BotConfiguration
 
   def initialize
     @subreddits = [ "rarepuppers" ]
-    @send_cron = "00 8-21 * * *"
+    @send_cron = "*/30 8-21 * * *"
     @refresh_cron = "*/15 * * * *"
     @recepients = [ CHATID_DANIEL ]
   end